Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8624cfb35d2e494825dd87bb2b1b51613ae86048cb8dca626b82bc9bc41e2f79' 
  AND token = 'r+qBT7RUqNMx8vxM4+Iq77ZVZcoGBYgHe6xFmzTybuw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}